203907060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{161831}}^1$

素因数の和:161853

約数の個数: 72

約数和(自身を含む): 706882176

約数和(自身を除く): 502975116

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 161831, 323662, 485493, 647324, 809155, 970986, 1132817, 1456479, 1618310, 1941972, 2265634, 2427465, 2912958, 3236620, 3398451, 4531268, 4854930, 5664085, 5825916, 6796902, 7282395, 9709860, 10195353, 11328170, 13593804, 14564790, 16992255, 20390706, 22656340, 29129580, 33984510, 40781412, 50976765, 67969020, 101953530, 203907060]

約数ペア:

[(1, 203907060), (2, 101953530), (3, 67969020), (4, 50976765), (5, 40781412), (6, 33984510), (7, 29129580), (9, 22656340), (10, 20390706), (12, 16992255), (14, 14564790), (15, 13593804), (18, 11328170), (20, 10195353), (21, 9709860), (28, 7282395), (30, 6796902), (35, 5825916), (36, 5664085), (42, 4854930), (45, 4531268), (60, 3398451), (63, 3236620), (70, 2912958), (84, 2427465), (90, 2265634), (105, 1941972), (126, 1618310), (140, 1456479), (180, 1132817), (210, 970986), (252, 809155), (315, 647324), (420, 485493), (630, 323662), (1260, 161831)]